#box{
    background-color: #eee;
    padding: 20px 0;
}
.banner{
    width: 1100px;
    height: 500px;
    border-radius: 10px;
    border: solid 1px #eee;
    margin: 20px auto;
    overflow: hidden;
    position: relative;
}
.banner img {
    width: 100%;
    height:100%;
    position: absolute;
    left: 0;top: 0;
    display: none;
}
.banner img:nth-child(1){
    display: block;
}

.banner .bannerList{
    position: absolute;
    bottom: 20px;
    left:0;right:0;
    display: flex;
    justify-content: center;
}
.banner .bannerList li{
    width: 10px;height:10px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.6);
    margin: 0 20px;
}

.proList{
    width: 1100px;
    margin: 20px auto;
    border-radius: 10px;
    border: solid 1px #ccc;
    overflow: hidden;
}
.proList h3{
    width: 1099px;
    text-indent: 20px;
    font-size: 20px;
    border-radius: 10px 10px 0 0;
    background-color: #efefef;
    height: 60px;
    line-height: 60px;
}
.proCont{
    width: 1100px;
    display: flex;
    flex-wrap:  wrap;
    overflow: hidden;
}
.proCont .bigPro{
    width: 550px;
    height: 390px;
    border-right: solid 1px #ccc;
    box-sizing:border-box;
}
.proCont .bigPro img{
    width: 100%;
    height:100%;
}
.proCont .smallPro{
    width: 275px;
    height: 390px;
    border: solid 1px #ccc;
    box-sizing:border-box;
    text-align: center;
    border-bottom: none;
    background: #fff;
}

.smallPro img{
    width:80%;
}
.smallPro p:nth-child(2){
    font-weight: bold;
    line-height: 20px;
    height: 20px;
    overflow: hidden;
}
.smallPro p:nth-child(3){
    font-size: 14px;
    color: #999;
    margin: 10px 0 40px;
}
.smallPro p:nth-child(4){
    color: #d44d44;
    font-size: 24px;
    font-weight: bold
}